Celkon C227 vs Karbonn A4
Celkon C227
Karbonn A4
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Network
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2G networkGSM 900, 1800GSM 850, 1900
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3G network-HSDPA 900, 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122013-3
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Status2013-3
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height117 mm124.8 mm
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Width57 mm66 mm
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Thickness11 mm9.5 mm
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Weight107 g75 g
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KeyboardQWERTY-
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ColorsBlackWhite/Black
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Display
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Display typeTFT touchscreenTFT capacitive touchscreen
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Physical size2.8 inches4.0 inches
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Resolution240 x 400 pixels320 x 480 pixels
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Pixel density167 ppi144 ppi
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Display colors-262144
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Hardware
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Internal storage-256, 512 MB
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Memory cardmicroSDmicroSD
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Memory card max16 GB32 GB
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Main camera
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Main camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNoYes
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radioFM radio
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Connectivity
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WLANWi-Fi
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WLAN WiFi Hotspot-Yes
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USBYesYes
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BluetoothYesYes
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GPSNoNo
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging EMSEMS-
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push EmailPush Email-
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JavaYesYes, via Java MIDP emulator
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Browser
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HTML-Yes
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh1400 mAh
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Talk time3 h4 h 20 min
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Standby time300 h250 h
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OS
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OS-Android OS, v2.3.6 (Gingerbread)
